Rotten Autumn Adds 15 Dungeons and a New Score to Mortal Shell II
The free update is available on PS5, Xbox Series X|S, and Steam, and also brings Photo Mode, Tarstones, and seasonal gear.

Mortal Shell II‘s free Rotten Autumn update is now available on PS5, Xbox Series X|S, and Steam. It adds 15 dungeons, bringing the game’s total from 36 to 51, alongside Photo Mode and an alternative soundtrack by Rotting Christ’s Sakis Tolis.
Photo Mode includes “Overkill Graphics” settings. New Shell Shades are available for every Shell, and the update adds ten Tarstones, including one specific to Sheep.
Seasonal additions include Nightmode lighting presets, the Harbinger Pumpkin Helmet, and the Impervious Lute skin with extra Lute tracks. A ghost of a lost Shell haunts the land and offers cryptic notes, while the update also includes further polish and fixes.
Which part of Rotten Autumn stands out to you, from the expanded dungeon count to Photo Mode and the new Tarstones? Follow us on X, Bluesky, YouTube, Instagram, Steam, and Telegram for more coverage of Mortal Shell II’s post-launch additions.
Mortal Shell II
Developed by Cold Symmetry



